SEHGAL, S. D., & LINBERG, R. A. (1975). Materials-their nature properties and fabrication. S. Chad and Co.
Lua i Stíl Chicago (17ú heag.)SEHGAL, Sukh Dev, agus Roy A. LINBERG. Materials-their Nature Properties and Fabrication. New Delhi: S. Chad and Co, 1975.
Lua MLA (9ú heag.)SEHGAL, Sukh Dev, agus Roy A. LINBERG. Materials-their Nature Properties and Fabrication. S. Chad and Co, 1975.
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